2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/5032We have developed a numerical code with which we study the effects of 2D perturbations on stellar structure. We present new numerical and analytical results on the heating of a main-sequence star in a binary system by its companion.8 pages, 2 figures, for publication by PASP for conference, '3D Stellar Evolution Workshop'Astrophysicstext